RaceAtlas

Alcatraz Island Tides: Friday, August 7, 2026

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

0.4 ft1:34 AM3.9 ft8:58 AM3.2 ft12:38 PM6.4 ft7:09 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 7:09 PM, low 0.4 ft at 1:34 AM. Gate: flood 2.5 kt at 4:55 PM, ebb 1.2 kt at 11:26 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
1:34 AMLow0.4 ft
8:58 AMHigh3.9 ft
12:38 PMLow3.2 ft
7:09 PMHigh6.4 ft
Current · Golden Gate
TimeStateSpeed
2:25 AMslack–
5:54 AMmax flood ENE (074°)2.0 kt
9:55 AMslack–
11:36 AMmax ebb SW (235°)0.6 kt
1:26 PMslack–
4:55 PMmax flood ENE (074°)2.5 kt
8:23 PMslack–
11:26 PMmax ebb SW (235°)1.2 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.